Portion of a shoe upper



FIG. 1 is a top perspective view of a portion of a shoe upper, showing the new design;

FIG. 2 is a front elevational view of the portion of a shoe upper;

FIG. 3 is a top plan view of the portion of a shoe upper; and,

FIG. 4 is a left side elevational view of the portion of a shoe upper, the right side elevational view being identical thereto.

The uneven broken line showing of the remainder of the shoe is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a portion of a shoe upper, as shown and described. 